Fix: Mac Sierra error “The installer payload failed signature check”

One of the Mac users tried to install Sierra multiple times. But error message will show on screen. The error message is “The installer payload failed signature check”. Tried several methods like recreate the installer USB stick, internet recovery,. Try the below suggestions to resolve the error issues.

Solution 1: Change the system date and time

If you don’t have an internet connection,

Close the installer. Go to the Utilities menu and open a Terminal window.

Enter ‘date’ to know your system date and time.

If your system’s date and time is wrong then enter ‘date <month><day><hour><minute><two digit year>’

If the InstallESD.dmg file was not copied to the USB drive, this error will occur. Open the terminal and run the diff command. Go to the Application directory and copy the below files into the USB drive.